Liner for centrifugal cream-separators.



PATENTBD AUG. 4, 190a. I

" j 1). R. GREEN.

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- 7 LINE WITNESSES:

David R. Green.

DAVIDR. GREEN, OF WATERLOO, IOWA.

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To all it may concern; 7 1

Be it known that 1, DAVID R. GBEElW, a

a citizen of the United States of America, and

of my improvement to furnish a liner with sep aratin devices adapted to cause the separating mi 1; to' circulate therepver toward and from the cream zone to the mner pen h- 15 cry of the bowl and supplied with suita le means for imparting 'to the-entering milk some of the rotato motion of the bowl to move therewith. T object I have-accomplished by the means which are hereinafter described and claimed, and which are illustrated in'the accompanying drawings, in vnl1ich:- g

Figure 1 is a central vertical axial section of a centrifu al cream separator bowl with my im raved lining and separating devi'ce inclose therein. Fig. 2 is a detail side'elevation of said lining and separating device. Fi 3 is a horizontal section of said bowl ta en through the neck of its cover on a line 80 X X in Fig.

Similar numbers refer to similar parts throughout the several views. Myimproved lining-device is contained within a bowl 1, the latterconnected by 85 rivets 5 to acast base-plate 2, said bowl and base-plate both having registering central orifices, interiorly threaded, to receive the exteriorly threaded upper end 4 of the s indie 3, the upper end 0 4 projecting a s ort distance into said bowl above its bottom 'surface.

The'bowl is provided with a cover 23 whose edge fits into t e channeled'upper edge of the bowl, said cover being secured-in situ by means of a hollow clamping-bolt 19, engaging said cover by its contacting fillet 26 and whose lower end is interiorly threaded to screw upon the projecting upper end of the screw 4. Said tube 19 also serves as a milkinlet, oneor more outlets 8 being provided- Specification of Letters Patent. Application filed. August 19, 1901. Serial a.. seam.

.annuli 9 and 11 bein Patented Aug. 4, 190a.

lower inner part of the'tube 7 to contact with-the outer surface of the tube 19, and

prevent the milk from moving upward in the mterspace above said ring between the tubes. Below said rin 18 the outer tube 7 is gradually. expande lower end is united to a flat horizontal annulus 22 of slightly less outside diameter than the diameter of the inside of the bowl, to permitof the milk passing about'it. The sai annulus 22..i s spaced away from the bot.-

to form a frustum, whose tom of the bowl by resting upon the boss heads of the rivets 5.

Pro'ecting radially outward from the outside 0 the tube 7 arewings 21, spaced vertically apart, other radial wings 21 occupying the zones of said s aces but set. at right angles to the lane 0 the first mentioned series of wings. he ho'rizontalannuli 9, 10, and

11 are secured between the said wings, such.

annuli being parallel to the annulus-22, the v annuli bein spaced equall apart from each other and rom the annu us 22 on one .end and the cover of the bowl 23 at the other end of said bowl. The outer ends of the wings 2l are extended radially far enou h to contact with'the inner periphery of the owl, but the horizontal annuli are of two diameters, the of sufiicient diameter to have their outer er %es in contact with the inner periphery of sair bowl, but the'annulus 10 being spaced away therefrom to leave an;

liver into the radially adjustable cream-exit screws 16, the latter movable in tubular.

openings in the cover 23. Said screws may be adjusted radially so that their inner ends may project a desired distance the grooves 25, to vary the degree of (llllltlOD of skimming of the cream. The milk exit tubes 14 deliver through the cover 23 as i shown, their inner receiving ends being located near the inner periphery of the upperedge of the bowl.

The device-is assembled by first inserting the tube 7 in the bowl, and thenmsertmg the tatory motion of the bow andliner are im- Patent, is-:---

' cent to such inlet-tube and-to the inner per a new" *With the current of milk in those interspaces where the current has toseek the inner annuwvhile' moving about it. 'In other words, the sa d wings carry with them the milk, permittube 19, and securing it in'place with the cover 23 thereby clamped tightly to the outer channeled -edge of said bowl, the creamscrews havingbeen adjusted radiall as -de-- sired to effect twp eedilutionso the delivered cream.

Milk ejaculated through the orifices 8 in the tube 19, passes under the ring 18 and downward between said tube and the tube 7, and below the annulus outwardly, then upward and inward about the outer edge of said annulus. The milk then passes upward, moving radially in and outward so as to move through the spaces successively be-. tween the annulj, the separatedcrearn constantly seeking the orifices 17, thence rising' in the grooves 25 to the cream-exit tubes 16.. The stripping of the cream from the full milk is thus perfected, 'sincethe movement of the cream is hastened when it is carried inwardly lar channelsbetween the annuli 9 and 11. The wing's'2l are useful and effective in baffling the milk while undergoing separation, and especially in confinin it so that the r0-- parted to it, preventing'it from being held ack by reason of its inertia, the bowl meanting it toonly more along itspredetermined course within the liner to the exits.

Having described my invention, what I claim as new, and desire to secure by Letters 1. .In- 'a' centrifugal crean r sep'arator, in combination, a bowl provided with a central axial milk inlet-tube provided with a discharge-opening and having 'milkand cream-. outlets, and a liner in said bowl composed of a vertical'series' of transverse annuli spaced apart extending from said inlet-tube to contact with and be sealed against the inner -periphe of the bowl, such annuli having channels t erethrough placed alternately adjaripherypf the boivl and adapted to cause the separating milk to flow therethrough in reversed'directions toward-and from the axis of the bowl, and vertical plates intersecting the interspaces betweens ldannuliand extend-' e to theinner periph-l 2. In a centrifugal cream separator, in combination, a bowlhavmg a milk-inlet-tube and having rmlkand cream exits, and a liner in said bowl composed of a cream-tube.con-

centric-ally encirc ng and spaced away from said inlet-tube, transverse (lISkS' vertically spaced apart and disposed in alternate series,

one series of disks having their outer ed es spaced away from the inner surface of t e-.

bowl and their inner edges united to and sealed against said cream-tube, and the other alternating series having thelr outer edges contacting with and sealed against the inner,

surface of the bowl and theirinner edges--' spaced away from said cream-tube, and radial battling 7 plates extending from said cream-tubeto the inner surface of the bowl and intersecting the intcrspaces between said transverse disks at an angle-to the latter.

3. In a centrifugal cream separator, in

combination, a bowl PIOVlClGd'Wlth a cover orifice and adapted to be removably secured having milkand radially-adjustable c'reamexits, a milk-inlet tube having a discharging spaced away from said inlet-tube, its lower end united to a base-diskof less diameter 'c osure-ring adapted to close the interspace between the inlet-tube and the cream-tube immediately above the discharge-o emng of om said the former, radial wings extending than the interior ofsaid bowl and the latter pendent cream-tubeto closel contact with the inner periphery: of sai b0w1, annuli spaced apart in said bowl, every other annu lus above said base-disk having its inner edge spaced away from the sai'd'outer tube and its outer edge in close contact with and sealed against the inner periphery of the bowl, andeach-intermediate annulus having its mner edge in contact with and sealed against said outer tubeand its outer edge spaced away from the inner periphery of the bowl, said 1oo v outer tube having 0 annels therein communicat ng between the interspacesof the an nuli and the adjustable cream-ex1ts.

Signed at Waterloo, Iowa, this 30th day of 5 am; a.- GREEN. j

July, 1907.

Witnesses: v -O. D. YouNe,- l

-- H. M. HARPER.

"-a: 14: PM. on? 

